<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .title {
        background-color: orange;
        width: 200px;
      }
    </style>
  </head>
  <body>
    <!-- 创建一个容器 -->
    <div id="test"></div>
    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom用于支持react操作dom -->
    <script
      type="text/javascript"
      src="../js/react-dom.development.js"
    ></script>
    <!-- 引入babel,用于将jsx转为js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <script type="text/babel">
      const myId = "antguigu";
      const myDate = "hello React";
      //创建虚拟DOM
      const VDOM = (
        <div>
          <h2 className="title" id={myId.toLowerCase()}>
            <span style={{ color: "white", fontSize: "29px" }}>
              {myDate.toUpperCase()}
            </span>
          </h2>

          <h2 className="title" id={myId.toUpperCase()}>
            <span style={{ color: "white", fontSize: "29px" }}>
              {myDate.toLowerCase()}
            </span>
          </h2>
          <input type="text" />
        </div>
      );
      ReactDOM.render(VDOM, document.getElementById("test"));
    </script>
  </body>
</html>
